Coffee filter



FIG. 1 is a top plan view of a coffee filter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a cross-section taken along line 6--6 of FIG. 1;

FIG. 7 is a cross-section taken along line 7--7 of FIG. 1;

FIG. 8 is a cross-section taken along line 8--8 of FIG. 1;

FIG. 9 is a top, front, right side perspective view thereof shown in use and with the cup in broken lines for illustrative purposes only; and

FIG. 10 is a cross-section taken along line 10--10 of FIG. 9, the cup shown in broken lines for illustrative purposes only. 

The ornamental design for a coffee filter, as shown and described. 